Sigma Octantis

Thuban

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thuban star,alpha draconis

Thuban, Alpha Draconis (α Dra), is a spectroscopic binary star system located in the constellation Draco. Even though it has the designation Alpha, it is… Read More »Thuban

Gacrux

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gacrux star,gamma crucis

Gacrux, Gamma Crucis (γ Cru), is a red giant star located in the southern constellation Crux. With an apparent magnitude of 1.63, it is the… Read More »Gacrux

Acrux

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acrux star,alpha crucis

Acrux, Alpha Crucis (α Cru), is a multiple star system located in the constellation Crux. It is the brightest of the stars that form the… Read More »Acrux

Achernar

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achernar star,alpha eridani

Achernar, Alpha Eridani (α Eri), is a class B hydrogen-fusing dwarf located in the constellation Eridanus. Its estimated luminosity is 3,150 times that of the… Read More »Achernar

Polaris

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polaris star,north star,alpha ursae minoris

Polaris, Alpha Ursae Minoris (α UMi), commonly known as the North Star, is the closest relatively bright star to the north celestial pole. It lies… Read More »Polaris